diff options
Diffstat (limited to 'include/asm-x86/hpet.h')
| -rw-r--r-- | include/asm-x86/hpet.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/include/asm-x86/hpet.h b/include/asm-x86/hpet.h deleted file mode 100644 index 58b273f6ef0..00000000000 --- a/include/asm-x86/hpet.h +++ /dev/null @@ -1,114 +0,0 @@ -#ifndef ASM_X86__HPET_H -#define ASM_X86__HPET_H - -#include <linux/msi.h> - -#ifdef CONFIG_HPET_TIMER - -#define HPET_MMAP_SIZE 1024 - -#define HPET_ID 0x000 -#define HPET_PERIOD 0x004 -#define HPET_CFG 0x010 -#define HPET_STATUS 0x020 -#define HPET_COUNTER 0x0f0 - -#define HPET_Tn_CFG(n) (0x100 + 0x20 * n) -#define HPET_Tn_CMP(n) (0x108 + 0x20 * n) -#define HPET_Tn_ROUTE(n) (0x110 + 0x20 * n) - -#define HPET_T0_CFG 0x100 -#define HPET_T0_CMP 0x108 -#define HPET_T0_ROUTE 0x110 -#define HPET_T1_CFG 0x120 -#define HPET_T1_CMP 0x128 -#define HPET_T1_ROUTE 0x130 -#define HPET_T2_CFG 0x140 -#define HPET_T2_CMP 0x148 -#define HPET_T2_ROUTE 0x150 - -#define HPET_ID_REV 0x000000ff -#define HPET_ID_NUMBER 0x00001f00 -#define HPET_ID_64BIT 0x00002000 -#define HPET_ID_LEGSUP 0x00008000 -#define HPET_ID_VENDOR 0xffff0000 -#define HPET_ID_NUMBER_SHIFT 8 -#define HPET_ID_VENDOR_SHIFT 16 - -#define HPET_ID_VENDOR_8086 0x8086 - -#define HPET_CFG_ENABLE 0x001 -#define HPET_CFG_LEGACY 0x002 -#define HPET_LEGACY_8254 2 -#define HPET_LEGACY_RTC 8 - -#define HPET_TN_LEVEL 0x0002 -#define HPET_TN_ENABLE 0x0004 -#define HPET_TN_PERIODIC 0x0008 -#define HPET_TN_PERIODIC_CAP 0x0010 -#define HPET_TN_64BIT_CAP 0x0020 -#define HPET_TN_SETVAL 0x0040 -#define HPET_TN_32BIT 0x0100 -#define HPET_TN_ROUTE 0x3e00 -#define HPET_TN_FSB 0x4000 -#define HPET_TN_FSB_CAP 0x8000 -#define HPET_TN_ROUTE_SHIFT 9 - -/* Max HPET Period is 10^8 femto sec as in HPET spec */ -#define HPET_MAX_PERIOD 100000000UL -/* - * Min HPET period is 10^5 femto sec just for safety. If it is less than this, - * then 32 bit HPET counter wrapsaround in less than 0.5 sec. - */ -#define HPET_MIN_PERIOD 100000UL - -/* hpet memory map physical address */ -extern unsigned long hpet_address; -extern unsigned long force_hpet_address; -extern int hpet_force_user; -extern int is_hpet_enabled(void); -extern int hpet_enable(void); -extern void hpet_disable(void); -extern unsigned long hpet_readl(unsigned long a); -extern void force_hpet_resume(void); - -extern void hpet_msi_unmask(unsigned int irq); -extern void hpet_msi_mask(unsigned int irq); -extern void hpet_msi_write(unsigned int irq, struct msi_msg *msg); -extern void hpet_msi_read(unsigned int irq, struct msi_msg *msg); - -#ifdef CONFIG_PCI_MSI -extern int arch_setup_hpet_msi(unsigned int irq); -#else -static inline int arch_setup_hpet_msi(unsigned int irq) -{ - return -EINVAL; -} -#endif - -#ifdef CONFIG_HPET_EMULATE_RTC - -#include <linux/interrupt.h> - -typedef irqreturn_t (*rtc_irq_handler)(int interrupt, void *cookie); -extern int hpet_mask_rtc_irq_bit(unsigned long bit_mask); -extern int hpet_set_rtc_irq_bit(unsigned long bit_mask); -extern int hpet_set_alarm_time(unsigned char hrs, unsigned char min, - unsigned char sec); -extern int hpet_set_periodic_freq(unsigned long freq); -extern int hpet_rtc_dropped_irq(void); -extern int hpet_rtc_timer_init(void); -extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id); -extern int hpet_register_irq_handler(rtc_irq_handler handler); -extern void hpet_unregister_irq_handler(rtc_irq_handler handler); - -#endif /* CONFIG_HPET_EMULATE_RTC */ - -#else /* CONFIG_HPET_TIMER */ - -static inline int hpet_enable(void) { return 0; } -static inline int is_hpet_enabled(void) { return 0; } -#define hpet_readl(a) 0 - -#endif -#endif /* ASM_X86__HPET_H */ |